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Purpose This paper aims to investigate the relationship between relational capital produced by universities and knowledge structures, which include both the capacities and competencies that students have learned and the capabilities they have put into practice. Design/methodology/approach To analyse research data and test the proposed model, partial least squares structural equation modelling (SmartPLS 3.2.9) is used on a sample of 125 students of a Spanish university. Findings The results of the study demonstrate that the creation of relational capital by universities will depend largely on how students’ capacity is supplemented and merged with students’ competency to develop synergies that increase the students’ capability to give an additional value to the community members. Originality/value This study allows an in-depth analysis of the cause and effect link between the knowledge structures and support the members of higher educational institutions to understand how to achieve relational capital in universities.

PurposeE‐business requires small and medium‐sized enterprises (SMEs) to seek both external and internal knowledge and to establish external and internal relationships with partners, such as customers and suppliers. This paper aims to describe a model that examines how knowledge management has an impact on the adoption of e‐business, particularly in SMEs.Design/methodology/approachThis paper reviews literature to identify relevant measures through a structural equation model, which is validated through an empirical investigation of 107 SMEs in the Spanish telecommunications sector.FindingsThe results show that, in order to implement e‐business systems, companies need to provide and support the acquisition, sharing and application of knowledge as prior steps.Research limitations/implicationsOther factors that have not been included in this study are also likely to affect knowledge acquisition.Practical implicationsOrganisations that engage in learning from their customers and suppliers not only test the effectiveness of a new direction of e‐business, but also have the potential to design their e‐business around what customers truly need and want, and as such gain a sustainable competitive advantage.Originality/valueThese results have implications for e‐business managers in formulating policies and targeting appropriate organisational capabilities to ensure the effective adoption of e‐business systems.

The geometry of the weld beads is characterized by the overhead, the width and the penetration. These values are indices of the behavior of the welded joint and therefore, they can be considered as factors that control the process. This work is performed to optimize the GMAW process of the aluminum alloy AA 6063-T5 by means of the response surface methodology (RSM). The variables herein considered are the arc voltage, the welding speed, the wire feed speed and the separation between surfaces in butt joints. The response functions that are herein studied are the overhead, the width, the penetration and the angle of the bead. The obtained results by RSM show high grade of agreement with the experimental values. The procedure is experimentally validated by welding for the theoretically obtained optimized technological conditions and a wide agreement between theoretical and experimental values is found.